Infosys Placement Paper Aptitude - Puzzle -27 May 2006

Posted by FreshersWorld

7 Jan, 2012

Puzzle

There was a burglary in a jewellery shop. Police got hold of three suspects ? Sam, Tommy and Ram. Each one of them told ? ?One of the other two did it. I did not do it.? On inquiry police found out that there was one thief & Tommy was lying. Who was the thief amongst the three suspects?{Ans: Tommy}

A wall clock goes slow by 10 mins in an hour. In an hour by the wall clock, a table clock goes fast by 10 mins. In an hour by the table clock, an alarm clock goes slow by 5 mins. In an hour by the alarm clock, a wrist watch goes fast by 5 mins. All the four clocks were set to correct time at noon. What will the wrist watch show at 6 PM.?{6P.M. ? please cross check. I am not very much confident with this answer}

A ball falls from a height of 180 feet. It rebounces to 1/10^{th} of the previous height. What will be the total distance covered before the ball comes to rest

{Solution: 2*a/(1-r). Here a=180 % r=1/10=0.1}

I went to the market to get stamps of denominations 2P, 7P, 10P, 15P & 20P. For three types of stamps I was supposed to get 5 each & for the other two types I was supposed to get 6 each. Total cost of stamps was 3 rupees. Which stamps were 5 each & which were 6 each?

Man says ? ?Sum of my age & ages of my 3 distant cousins is 50. All our ages are prime numbers?. Find ages of the cousins. [Condition: 1 is not to be considered as prime number]

{Solution: 3, 2, 2 Man?s age is 43}

The petrol tank of a car can store 12 gallons of fuel. There was a leak in the fuel tank. After refueling, the driver drove at 50mph for 4 hours after which he ran out of fuel. How much fuel was lost? [Condition: Car runs 25miles per gallon] {Ans: 4 gallons}

There are three teams ? DoIt, ActIt & ThinkIt ? playing basketball in a championship. Three friends are speculating about the result:

1^{st} : Either DoIt or ThinkIt will make it

2^{nd} : DoIt is not going to make it

3^{rd} : Neither ThinkIt or DoIt will make it

Only one of them turned out to be correct. Which team won? {Ans: ActIt}

There was a question which stated good names of four names & jumbled up their nicknames. We were supposed to find out the appropriate nicknames. I don?t remember the exact conditions. But final answer was

Anand -> PERICH

Anindya -> DUMMY Freshersworld.com

Madhavan -> ZOMBIE

Murali -> MADDY

{In case you get these options, use this combination blindfold}

There was another problem regarding 5 international students speaking different foreign languages. Certain conditions were give & we were supposed to find out who spoke/ didn?t speak which language.

English test was easy ? as it always is

JU Campus Interview ? 12^{th} April, 2004

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PuzzleThere was a burglary in a jewellery shop. Police got hold of three suspects ? Sam, Tommy and Ram. Each one of them told ? ?One of the other two did it. I did not do it.? On inquiry police found out that there was one thief & Tommy was lying. Who was the thief amongst the three suspects?{Ans: Tommy}

A wall clock goes slow by 10 mins in an hour. In an hour by the wall clock, a table clock goes fast by 10 mins. In an hour by the table clock, an alarm clock goes slow by 5 mins. In an hour by the alarm clock, a wrist watch goes fast by 5 mins. All the four clocks were set to correct time at noon. What will the wrist watch show at 6 PM.?{6P.M. ? please cross check. I am not very much confident with this answer}

a) 46,256 , 3125 , 256 , 27 , ________ ,1

b) 3 , 10 , 7 , 8 , ______ , 12 , 9 , 16

{Solution: Series a:-> 6^6 , 5^5 , 4^4 , 3^3 , 2^2 , 1^1

Series b:-> 1

^{st}element + last element = 192

^{nd}element + 2^{nd}last element = 19 ?..so blank will be 11 (8+11=19) Freshersworld.com

}

A ball falls from a height of 180 feet. It rebounces to 1/10

^{th}of the previous height. What will be the total distance covered before the ball comes to rest{Solution: 2*a/(1-r). Here a=180 % r=1/10=0.1}

I went to the market to get stamps of denominations 2P, 7P, 10P, 15P & 20P. For three types of stamps I was supposed to get 5 each & for the other two types I was supposed to get 6 each. Total cost of stamps was 3 rupees. Which stamps were 5 each & which were 6 each?

{Solution: 3, 2, 2 Man?s age is 43}

The petrol tank of a car can store 12 gallons of fuel. There was a leak in the fuel tank. After refueling, the driver drove at 50mph for 4 hours after which he ran out of fuel. How much fuel was lost? [Condition: Car runs 25miles per gallon] {Ans: 4 gallons}

There are three teams ? DoIt, ActIt & ThinkIt ? playing basketball in a championship. Three friends are speculating about the result:

1

^{st}: Either DoIt or ThinkIt will make it2

^{nd}: DoIt is not going to make it3

^{rd}: Neither ThinkIt or DoIt will make itOnly one of them turned out to be correct. Which team won? {Ans: ActIt}

There was a question which stated good names of four names & jumbled up their nicknames. We were supposed to find out the appropriate nicknames. I don?t remember the exact conditions. But final answer was

Anand -> PERICH

Anindya -> DUMMY Freshersworld.com

Madhavan -> ZOMBIE

Murali -> MADDY

{In case you get these options, use this combination blindfold}

There was another problem regarding 5 international students speaking different foreign languages. Certain conditions were give & we were supposed to find out who spoke/ didn?t speak which language.

English test was easy ? as it always is

JU Campus Interview ? 12

^{th}April, 2004